here's the solution,
we know that, sum of <u>measures</u> of each interior angle of a <u>triangle</u> = <u>180°</u>
<u>F</u><u>igure</u><u> </u><u>1</u><u>.</u>
=》

=》

=》

=》

=》

<u>Figure</u><u> </u><u>2</u><u>.</u><u> </u>
=》

=》

=》

=》

=》

=》

<u>Figure</u><u> </u><u>3</u><u>.</u>
=》

=》

=》

=》

=》

=》

About 20% I would say. Hope I helped, please award brainliest!
Answer/Step-by-step Explanation:
4. Midpoint (M) of AB, for A(-2, -3) and B(1, 2) is given as:

Let 

Thus:


5. Given M(3, 5) as midpoint of CD, and C(-1, -1),
let 


Rewrite the equation to find the coordinates of D
and 
Solve for each:












Coordinates of D is (7, 11)
Answer:
The population in the study is the entire set of high school students in the United States
Step-by-step explanation:
The goal of the study is to study the texting habits of hogh school students